:root {
    --parchment:       #f4ead5;
    --parchment-dark:  #e8d9b8;
    --parchment-deep:  #d4bc90;
    --ink:             #1c1208;
    --ink-faded:       #4a3c28;
    --ink-lighter:     #6b5843;
    --sepia:           #8b6914;
    --sepia-dark:      #5c4410;
    --red-ink:         #7a1e1e;
    --border:          #8b6914;
    --shadow:          rgba(60,35,10,0.25);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background-color: var(--parchment);
    color: var(--ink);
}

/* ── Main parchment container-m1776 ── */
.container-m1776 {
    margin: 0 auto;
    background-color: var(--parchment);
    position: relative;
    overflow: hidden;
}

/* aged corner tears */
.container-m1776::before,
.container-m1776::after {
    content: '';
    position: absolute;
    width: 80px; height: 80px;
    background: radial-gradient(circle at corner, transparent 55%, var(--parchment-deep) 56%, var(--parchment) 70%);
    z-index: 2;
    pointer-events: none;
}
.container-m1776::before { top: 0; left: 0; border-radius: 0 0 100% 0; }
.container-m1776-m1776::after  { bottom: 0; right: 0; border-radius: 100% 0 0 0; transform: rotate(180deg); }

/* ── Decorative top rule ── */
.ornamental-rule {
    text-align: center;
    color: var(--sepia);
    font-size: 1.5rem;
    letter-spacing: 0.4em;
    margin-bottom: 1.5rem;
    opacity: 0.7;
}
.ornamental-rule::before,
.ornamental-rule::after {
    content: '';
    display: inline-block;
    width: 60px; height: 1px;
    background: var(--border);
    vertical-align: middle;
    margin: 0 0.75rem;
    opacity: 0.6;
}

/* ── Page title block ── */
.page-title-bar {
    text-align: center;
    border-top: 2px solid var(--border);
    border-bottom: 2px solid var(--border);
    padding: 1.5rem 1rem;
    margin-bottom: 2.5rem;
    position: relative;
}

.page-title-bar::before { left: 0.5rem; }
.page-title-bar::after  { right: 0.5rem; }

.page-title-m {
    font-size: clamp(1.4rem, 4vw, 2.1rem);
    font-weight: 400;
    color: var(--sepia-dark);
    line-height: 1.3;
    letter-spacing: 0.02em;
    margin-bottom: 0.6rem;
}

.fw-p-description-m {
    font-style: italic;
    font-size: 1.05rem;
    color: var(--ink-lighter);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ── Author block ── */
.page-authors {
    margin-bottom: 2.5rem;
}

.page-author {
    width: 100%;
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.25rem 1.5rem;
    background: var(--parchment-dark);
    background-image: linear-gradient(to right, #ecddb8, #f0e4c6);
    border-left: 3px solid var(--sepia);
    border-right: 1px solid var(--parchment-deep);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.4), 0 2px 8px var(--shadow);
}

.page-author img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--sepia-dark);
    box-shadow: 0 2px 8px var(--shadow);
    flex-shrink: 0;
    filter: sepia(30%) contrast(0.95);
}

.page-author-description {
    flex: 1;
}

.page-author-description .pan {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--sepia-dark);
    margin-bottom: 0.25rem;
}

.page-author-description .pad {
    font-size: 0.95rem;
    color: var(--ink-lighter);
    line-height: 1.5;
    margin-bottom: 0.4rem;
}

.page-author-description a {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--red-ink);
    text-decoration: none;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--red-ink);
    opacity: 0.8;
    transition: opacity 0.2s;
}
.page-author-description a:hover { opacity: 1; }

/* ── Section divider ── */
.section-divider {
    text-align: center;
    margin: 0.5rem 0 2rem;
    color: var(--sepia);
    font-size: 1.1rem;
    letter-spacing: 0.5em;
    opacity: 0.5;
}

/* ── Metric entry card ── */
.page-metric-content {
    margin-bottom: 3rem;
    page-break-inside: avoid;
}

.page-metric-content img {
    display: block;
    width: 100%;
    height: auto;
    margin-bottom: 1.25rem;
    border-radius: 1px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-metric-content p {
    font-size: 1.0rem;
    line-height: 1.85;
    color: var(--ink-faded);
    text-align: justify;
    hyphens: auto;
}

/* numbered entries: bold number in red-ink color */
.page-metric-content p b {
    color: var(--red-ink);
    font-size: 1.05em;
}

/* house number callout */
.page-metric-content p b + b,
.page-metric-content p b:not(:first-child) {
    color: var(--sepia-dark);
}

/* ── Footer rule ── */
.page-footer-rule {
    border: none;
    border-top: 1px solid var(--border);
    margin: 1rem 0 0;
    opacity: 0.4;
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .inner-page {
        padding: 2rem 1.25rem 2.5rem;
    }

    .page-author {
        flex-direction: row;
        gap: 1rem;
        padding: 1rem;
    }

    .page-author img {
        width: 56px;
        height: 56px;
    }

    .page-title-m {
        font-size: 1.25rem;
    }

    .fw-p-description-m {
        font-size: 0.95rem;
    }

    .page-metric-content p {
        font-size: 0.95rem;
    }
}

@media (max-width: 400px) {
    body { padding: 0.5rem 0.25rem 2rem; }
    .inner-page { padding: 1.25rem 0.9rem 2rem; }
}

.page-author:first-child {
    margin-bottom: 30px;
}

.metrics-load-more-wrap {
    text-align: center;
    margin: 0 0 2.5rem; /* sits above .page-metrics */
}

.metrics-load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    font-size: 1rem;
    letter-spacing: 0.08em;
    color: var(--sepia-dark, #5c4410);
    background: var(--parchment-dark, #e8d9b8);
    background-image: linear-gradient(to bottom, #f5ead2, #dfc99a);
    border: 1px solid var(--border, #8b6914);
    padding: 0.6rem 1.6rem;
    border-radius: 2px;
    transition: background-image 0.2s, box-shadow 0.2s, transform 0.1s;
}

.metrics-load-more-btn:hover:not(:disabled) {
    background-image: linear-gradient(to bottom, #fdf4de, #e8d098);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65),
    0 4px 12px rgba(60, 35, 10, 0.28),
    0 0 0 3px var(--parchment-dark, #e8d9b8),
    0 0 0 4px var(--border, #8b6914);
}

.metrics-load-more-btn:active:not(:disabled) {
    transform: translateY(1px);
    box-shadow: inset 0 2px 4px rgba(60, 35, 10, 0.18),
    0 1px 3px rgba(60, 35, 10, 0.2),
    0 0 0 3px var(--parchment-dark, #e8d9b8),
    0 0 0 4px var(--border, #8b6914);
}

.metrics-load-more-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.btn-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--sepia-dark, #5c4410);
    border-top-color: transparent;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s;
    animation: btn-spin 0.75s linear infinite;
}

.metrics-load-more-btn.is-loading .btn-spinner {
    opacity: 1;
}

.metrics-load-more-btn.is-loading .btn-label {
    opacity: 0.6;
}

@keyframes btn-spin {
    to {
        transform: rotate(360deg);
    }
}

.metric-entry--hidden {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.45s ease, transform 0.45s ease;
}

@media (max-width: 480px) {
    .metrics-load-more-btn {
        width: 100%;
        justify-content: center;
        font-size: 0.95rem;
        padding: 0.7rem 1rem;
    }
}

.page-metric-content h2 {
    margin: 0;
    text-align: center;
    font-size: 2rem;
    color: var(--sepia-dark);
}

.read-more-m1776 {
    background: var(--sepia-dark);
    color: #fff;
    font-weight: 600;
    text-transform: capitalize;
    border-radius: 3px;
    padding: 15px 20px;
    display: block;
    width: fit-content;
    text-decoration: none;
}

.read-more-m1776:hover {
    background: var(--sepia-dark);
    color: #fff;
    text-decoration: none;
}